Python operator.div() Examples

def _add_numeric_methods_binary(cls):
        """
        Add in numeric methods.
        """
        cls.__add__ = _make_arithmetic_op(operator.add, cls)
        cls.__radd__ = _make_arithmetic_op(ops.radd, cls)
        cls.__sub__ = _make_arithmetic_op(operator.sub, cls)
        cls.__rsub__ = _make_arithmetic_op(ops.rsub, cls)
        cls.__rpow__ = _make_arithmetic_op(ops.rpow, cls)
        cls.__pow__ = _make_arithmetic_op(operator.pow, cls)

        cls.__truediv__ = _make_arithmetic_op(operator.truediv, cls)
        cls.__rtruediv__ = _make_arithmetic_op(ops.rtruediv, cls)
        if not compat.PY3:
            cls.__div__ = _make_arithmetic_op(operator.div, cls)
            cls.__rdiv__ = _make_arithmetic_op(ops.rdiv, cls)

        # TODO: rmod? rdivmod?
        cls.__mod__ = _make_arithmetic_op(operator.mod, cls)
        cls.__floordiv__ = _make_arithmetic_op(operator.floordiv, cls)
        cls.__rfloordiv__ = _make_arithmetic_op(ops.rfloordiv, cls)
        cls.__divmod__ = _make_arithmetic_op(divmod, cls)
        cls.__mul__ = _make_arithmetic_op(operator.mul, cls)
        cls.__rmul__ = _make_arithmetic_op(ops.rmul, cls) 

def _add_arithmetic_ops(cls):
        cls.__add__ = cls._create_arithmetic_method(operator.add)
        cls.__radd__ = cls._create_arithmetic_method(ops.radd)
        cls.__sub__ = cls._create_arithmetic_method(operator.sub)
        cls.__rsub__ = cls._create_arithmetic_method(ops.rsub)
        cls.__mul__ = cls._create_arithmetic_method(operator.mul)
        cls.__rmul__ = cls._create_arithmetic_method(ops.rmul)
        cls.__pow__ = cls._create_arithmetic_method(operator.pow)
        cls.__rpow__ = cls._create_arithmetic_method(ops.rpow)
        cls.__mod__ = cls._create_arithmetic_method(operator.mod)
        cls.__rmod__ = cls._create_arithmetic_method(ops.rmod)
        cls.__floordiv__ = cls._create_arithmetic_method(operator.floordiv)
        cls.__rfloordiv__ = cls._create_arithmetic_method(ops.rfloordiv)
        cls.__truediv__ = cls._create_arithmetic_method(operator.truediv)
        cls.__rtruediv__ = cls._create_arithmetic_method(ops.rtruediv)
        if not PY3:
            cls.__div__ = cls._create_arithmetic_method(operator.div)
            cls.__rdiv__ = cls._create_arithmetic_method(ops.rdiv)

        cls.__divmod__ = cls._create_arithmetic_method(divmod)
        cls.__rdivmod__ = cls._create_arithmetic_method(ops.rdivmod) 

def _add_numeric_methods_binary(cls):
        """ add in numeric methods """
        cls.__add__ = _make_arithmetic_op(operator.add, cls)
        cls.__radd__ = _make_arithmetic_op(ops.radd, cls)
        cls.__sub__ = _make_arithmetic_op(operator.sub, cls)
        cls.__rsub__ = _make_arithmetic_op(ops.rsub, cls)
        cls.__mul__ = _make_arithmetic_op(operator.mul, cls)
        cls.__rmul__ = _make_arithmetic_op(ops.rmul, cls)
        cls.__rpow__ = _make_arithmetic_op(ops.rpow, cls)
        cls.__pow__ = _make_arithmetic_op(operator.pow, cls)
        cls.__mod__ = _make_arithmetic_op(operator.mod, cls)
        cls.__floordiv__ = _make_arithmetic_op(operator.floordiv, cls)
        cls.__rfloordiv__ = _make_arithmetic_op(ops.rfloordiv, cls)
        cls.__truediv__ = _make_arithmetic_op(operator.truediv, cls)
        cls.__rtruediv__ = _make_arithmetic_op(ops.rtruediv, cls)
        if not compat.PY3:
            cls.__div__ = _make_arithmetic_op(operator.div, cls)
            cls.__rdiv__ = _make_arithmetic_op(ops.rdiv, cls)

        cls.__divmod__ = _make_arithmetic_op(divmod, cls) 

def test_op_method(self, opname, ts):
        # check that Series.{opname} behaves like Series.__{opname}__,
        series = ts[0](self.ts)
        other = ts[1](self.ts)
        check_reverse = ts[2]

        if opname == 'div' and compat.PY3:
            pytest.skip('div test only for Py3')

        op = getattr(Series, opname)

        if op == 'div':
            alt = operator.truediv
        else:
            alt = getattr(operator, opname)

        result = op(series, other)
        expected = alt(series, other)
        assert_almost_equal(result, expected)
        if check_reverse:
            rop = getattr(Series, "r" + opname)
            result = rop(series, other)
            expected = alt(other, series)
            assert_almost_equal(result, expected) 

def test_div(self):
        self.assertRaises(TypeError, operator.div, 5)
        self.assertRaises(TypeError, operator.div, None, None)
        self.assertTrue(operator.floordiv(5, 2) == 2) 

def __div__(self, other):
        return self._op(other, operator.div) 

def __floordiv__(a, b):
        """a // b"""
        # Will be math.floor(a / b) in 3.0.
        div = a / b
        if isinstance(div, Rational):
            # trunc(math.floor(div)) doesn't work if the rational is
            # more precise than a float because the intermediate
            # rounding may cross an integer boundary.
            return div.numerator // div.denominator
        else:
            return math.floor(div) 

def __rfloordiv__(b, a):
        """a // b"""
        # Will be math.floor(a / b) in 3.0.
        div = a / b
        if isinstance(div, Rational):
            # trunc(math.floor(div)) doesn't work if the rational is
            # more precise than a float because the intermediate
            # rounding may cross an integer boundary.
            return div.numerator // div.denominator
        else:
            return math.floor(div) 

def test_int_dtypes(self):
        #scramble types and do some mix and match testing
        deprecated_types = [
           'bool_', 'int_', 'intc', 'uint8', 'int8', 'uint64', 'int32', 'uint16',
           'intp', 'int64', 'uint32', 'int16'
            ]
        if sys.version_info[0] < 3 and sys.py3kwarning:
            import operator as op
            dt2 = 'bool_'
            for dt1 in deprecated_types:
                a = np.array([1,2,3], dtype=dt1)
                b = np.array([1,2,3], dtype=dt2)
                self.assert_deprecated(op.div, args=(a,b))
                dt2 = dt1 

def __rdiv__(self, other):
        return self._rop(other, operator.div) 

def __div__(self, other):
        return self._op(other, operator.div) 

def __rdiv__(self, other):
        return self._rop(other, operator.div) 

def __div__(self, other):
        return self._op(other, operator.div) 

def __rdiv__(self, other):
        return self._r_o2(other, operator.div) 

def div(self, divisor):
        self.do(operator.div, val=divisor)
        return self 

def __idiv__(self, other):
        return self._io(other, operator.div) 

def __rmod__(b, a):
        """a % b"""
        div = a // b
        return a - b * div 

def __rmod__(b, a):
        """a % b"""
        div = a // b
        return a - b * div 

def __mod__(a, b):
        """a % b"""
        div = a // b
        return a - b * div 

def __rfloordiv__(b, a):
        """a // b"""
        # Will be math.floor(a / b) in 3.0.
        div = a / b
        if isinstance(div, Rational):
            # trunc(math.floor(div)) doesn't work if the rational is
            # more precise than a float because the intermediate
            # rounding may cross an integer boundary.
            return div.numerator // div.denominator
        else:
            return math.floor(div) 

def __floordiv__(a, b):
        """a // b"""
        # Will be math.floor(a / b) in 3.0.
        div = a / b
        if isinstance(div, Rational):
            # trunc(math.floor(div)) doesn't work if the rational is
            # more precise than a float because the intermediate
            # rounding may cross an integer boundary.
            return div.numerator // div.denominator
        else:
            return math.floor(div) 

def __init__(self, *args, **kwargs):
        super(MainWindow, self).__init__(*args, **kwargs)
        self.setupUi(self)

        # Setup numbers.
        for n in range(0, 10):
            getattr(self, 'pushButton_n%s' % n).pressed.connect(lambda v=n: self.input_number(v))

        # Setup operations.
        self.pushButton_add.pressed.connect(lambda: self.operation(operator.add))
        self.pushButton_sub.pressed.connect(lambda: self.operation(operator.sub))
        self.pushButton_mul.pressed.connect(lambda: self.operation(operator.mul))
        self.pushButton_div.pressed.connect(lambda: self.operation(operator.truediv))  # operator.div for Python2.7

        self.pushButton_pc.pressed.connect(self.operation_pc)
        self.pushButton_eq.pressed.connect(self.equals)

        # Setup actions
        self.actionReset.triggered.connect(self.reset)
        self.pushButton_ac.pressed.connect(self.reset)

        self.actionExit.triggered.connect(self.close)

        self.pushButton_m.pressed.connect(self.memory_store)
        self.pushButton_mr.pressed.connect(self.memory_recall)

        self.memory = 0
        self.reset()

        self.show() 

def dispatch_missing(op, left, right, result):
    """
    Fill nulls caused by division by zero, casting to a diffferent dtype
    if necessary.

    Parameters
    ----------
    op : function (operator.add, operator.div, ...)
    left : object (Index for non-reversed ops)
    right : object (Index fof reversed ops)
    result : ndarray

    Returns
    -------
    result : ndarray
    """
    opstr = '__{opname}__'.format(opname=op.__name__).replace('____', '__')
    if op in [operator.truediv, operator.floordiv,
              getattr(operator, 'div', None)]:
        result = mask_zero_div_zero(left, right, result)
    elif op is operator.mod:
        result = fill_zeros(result, left, right, opstr, np.nan)
    elif op is divmod:
        res0 = mask_zero_div_zero(left, right, result[0])
        res1 = fill_zeros(result[1], left, right, opstr, np.nan)
        result = (res0, res1)
    return result 

def test_int_dtypes(self):
        #scramble types and do some mix and match testing
        deprecated_types = [
           'bool_', 'int_', 'intc', 'uint8', 'int8', 'uint64', 'int32', 'uint16',
           'intp', 'int64', 'uint32', 'int16'
            ]
        if sys.version_info[0] < 3 and sys.py3kwarning:
            import operator as op
            dt2 = 'bool_'
            for dt1 in deprecated_types:
                a = np.array([1,2,3], dtype=dt1)
                b = np.array([1,2,3], dtype=dt2)
                self.assert_deprecated(op.div, args=(a,b))
                dt2 = dt1 

def test_div(self):
        self.assertRaises(TypeError, operator.div, 5)
        self.assertRaises(TypeError, operator.div, None, None)
        self.assertTrue(operator.floordiv(5, 2) == 2) 

def __rmod__(b, a):
        """a % b"""
        div = a // b
        return a - b * div 

def __mod__(a, b):
        """a % b"""
        div = a // b
        return a - b * div 

def __rfloordiv__(b, a):
        """a // b"""
        # Will be math.floor(a / b) in 3.0.
        div = a / b
        if isinstance(div, Rational):
            # trunc(math.floor(div)) doesn't work if the rational is
            # more precise than a float because the intermediate
            # rounding may cross an integer boundary.
            return div.numerator // div.denominator
        else:
            return math.floor(div) 

def __floordiv__(a, b):
        """a // b"""
        # Will be math.floor(a / b) in 3.0.
        div = a / b
        if isinstance(div, Rational):
            # trunc(math.floor(div)) doesn't work if the rational is
            # more precise than a float because the intermediate
            # rounding may cross an integer boundary.
            return div.numerator // div.denominator
        else:
            return math.floor(div) 

def __div__(self, other):
        return operator.div(self.__wrapped__, other)